@Zach Zeid Fleet is community developed and as such feature development is largely at the mercy of motivated community-members.
Zach Wasserman runs an independent osquery consulting shop called
https://dactiv.llc/ and makes many ongoing contributions to the project but outside of security/stability fixes these typically land as features sponsored by organizations who use Fleet.
For example the recent performance boost that permitted installations in the 100k + endpoint range was facilitated by Bloomberg:
https://github.com/kolide/fleet/pull/2251